EN31 Hot Forged Spheroidized Annealed Alloy Bearing Steel Round Bar
Item specifics
- Diameter range:
- 100-850 mm
- Length range:
- 1-18 meter
- Delivery condition
- hot forged+spheroidized anealed
- Surface condition
- Black, Peeled, grinded
Review
Description
Introduction:
EN 31 is a excellent high carbon alloy steel which offers a high measure of hardness with compressive strength and abrasion resistance.
This Grade is quite often used for wear resisting machine constituents and for press instruments which don't advantage a extra complex satisfactory.
Application:
Acceptable for many automobile applications such as heavy duty gear, shaft, pinion, camshafts, gudgeon pins. / Machining components.
Steel & Chemical:
EN 31 | C 0.90-1.20% | Si 0.10-0.35% | MN 0.30-0.75% | S 0.050% max | P 0.050% max | Cr 1.00-1.60% |
Heat treatment:
Soft annealing °C | Cooling | Hardness HB |
780-800 | Furnace | max. 207 |
Stress-relief annealing °C | Cooling |
600 - 650 | Furnace |
1st pre-heating °C | 2nd and 3rd | Hardening °C | Quenching | Tempering °C | Hardness after Teperature HRC |
up to approx. 400 in an air-circulating furnace | 800 and 900 | 800-820 | 810 °C Oil ,Quench | at least twice 150-200 | 61 – 63 |
